Fentanyl Concentrations
Liver (
μ
g/kg)
PB (ng/mL)
L/P Ratio
N
16
16
16
Min
3.8
0.65
2.30
Max
270
66
19.50
Mean
74.10
14.70
6.90
Median
43.5
9
5.90
Standard Deviation
4.30
L = Liver, PB = Peripheral Blood, L/P = Liver/Peripheral Blood
Table 8:
Summary of 16 fentanyl cases from the San Diego Medical Examiner’s Office (L/P Ratios).